Merge branch 'stable-4.1'

* stable-4.1:
  Prepare 4.1.2-SNAPSHOT builds
  JGit v4.1.1.201511131810-r
  Fallback exactRef: Do not ignore symrefs to unborn branch
  RefDirectory.exactRef: Do not ignore symrefs to unborn branch

Change-Id: I66afb303f355aad8a7eaa7a6dff06de70ae9c490
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

diff --cc org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java
Simple merge